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Finding the Third Proportional to 4,172.44 and 6,498

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Solution

The third proportional to 4,172.44 and 6,498 is: 10,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.44 : 6,498 = 6,498 : x
  2. Step 2: Convert to fraction form
    4,172.44/6,498 = 6,498/x
  3. Step 3: Cross multiply
    4,172.44x = 6,498 × 6,498
  4. Step 4: Simplify right side
    4,172.44x = 42,224,004
  5. Step 5: Solve for x
    x = 42,224,004/4,172.44
  6. Step 6: Final answer
    x = 10,119.75

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.